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PDF ACE707A Data sheet ( Hoja de datos )
| Número de pieza | ACE707A | |
| Descripción | Micro Power Step-up DC-DC Converter | |
| Fabricantes | ACE Technology | |
| Logotipo |  |
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ACE707A
Technology
Micro Power Step-up DC-DC Converter
Description
The ACE707A are Pulse Frequency Modulation (PFM) DC/DC converters. These two devices are
functionally equivalent except the switching current limit. The ACE707A is for lower power systems with
100mA current limit.
The ACE707A feature a wide input voltage. The operation voltage is ranged from 1V to 12V. A current
limited, fixed off-time control scheme conserves operating current, resulting in high efficiency over a broad
range of load current. They also feature low quiescent current, switching current limiting, low temperature
coefficient, etc.
Fewer tiny external components are required in the applications to save space and lower cost.
Furthermore, to ease its use in different systems, a disable terminal is designed to turn on or turn off the
chip.
The ACE707A are available in SOT-23-5 package.
Features
• Low Quiescent Current In Active Mode (Not Switching): 17μA Typical ,In Shutdown Mode: < 1μA
• Low Operating VIN 1.0V Typical for ACE707A
• Low VCESAT Switch 70mV Typical at 70mA for ACE707A
• High Output Voltage: up to 34V
• Fixed Off-Time Control
• Switching Current Limiting 100mA Typical for ACE707A
• Operating Temperature Range: -40℃ to 85℃
Application
• MP3, MP4
• Battery Power Supply System
• LCD/OLED Bias Supply
• Handheld Device
• Portable Communication Device
VER 1.2 1
1 page  
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ACE707A
Technology
Micro Power Step-up DC-DC Converter
Typical Performance Characteristics
Unless otherwise note, VIN=1.2V
Junction Temperature (℃)
Figure 1. Quiescent Current vs. Junction Temperature
Junction Temperature (℃)
Figure 2. Feedback Voltage vs. Junction Temperature
Junction Temperature (℃)
Figure 3. Switch Off Time vs. Junction Temperature
Shutdown Pin Voltage (V)
Figure 4. Shutdown Pin Current vs. Shutdown Pin Voltage
ACE707A
ACE707A
Junction Temperature (℃)
Figure 5. Switch Current Limit vs. Junction Temperature
Junction Temperature (℃)
Figure 6. Switch Current Limit vs. Junction Temperature
VER 1.2 5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ACE707A.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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